Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 20:50Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
244K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
52K
6ω² + 3ω + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
\lim_{t\to 0} \frac{\sin t}{t} = 1
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
100K
∑_{k=1}^{n} k = n(n+1)/2
50K
det| 8 3 ; 4 9 | = 60
∑_{k=1}^{n} k = n(n+1)/2
197K
9x² + 3x + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
299K